SpO2 Blood Oxygen Monitor: Through the watch oxygen, you can directly detect your SpO2 status. Water resistant up to 50m when washing hands, swimming or raining. With SpO2 blood oxygen function, you can analyze your physical condition and list your own exercise program. Heart Rate Monitor: The heart rate monitoring watch can monitor 24-hour real-time heart rate, night infrared heart rate monitoring, heart rate warning, etc. Dozens of workout scene optimization algorithms, based on intelligent measurement monitoring, fitness trackers provide hundreds of lifestyle and fitness tips. Smart Assistant : the sports smart bracelet has the function of incoming call notification; reject incoming calls; SMS, email, SNS notifications; vibration alerts; WeChat smart alarm clock, timed red envelope reminders make your life easier and smarter. Born for exercise - 10 multi-sport modes Multi-sport modes provide a better workout experience: Real-time heart rate tracking reduces exercise risk, time, distance, speed, running. Support for connected GPS devices, distance and more accurate data. Activity tracker (pedometer, distance, calories), duration and constant status of moderate to intense activity, 10 sports modes. TruSleep Tracking: Sleep monitoring. By combining artificial intelligence technology and six categories of sleep problems, fitness trackers can automatically record stable sleep, unstable sleep and wake-up time. Analyze sleep quality with TruSleep monitoring technology. Sleep monitoring is over 95% accurate.